Ag(element)

Formula : Ag

Family: 
Space group: 
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Dana class: 
1.1.1.2 (1) Native Elements (1.1) with metallic elements other than the platinum group (1.1.1) Gold group
High temperature: 
Silver is stable at room temperature but in geological environment it is difficult to give a upper limit of stability .
Geological context: 
Originally, silver was mined largely as native silver from supergene enriched, high grade, vein deposits.

Dernière mise à jour le 19.12.2017

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
kJ·mol-1
ΔHºf
kJ·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
107.868 10.272 0 0 42.550 25.35
Reaction properties

Ag(element) + 0.5O2 + 2H+ ⇌ Ag+2 + H2O

298.15 K, 1 bar log10K: -4.14 ΔH°r: -34108 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K -3.99 -4.14 -4.35 -4.59 -4.88 -5.16 -5.47 -5.84